Boku wa imôto ni koi wo suru

teen fantasy

love story, illicit affair, friendship, twins, high school, teenager, high school student, brother sister relationship, flowers, teenage girl, teenage boy, dating, forbidden love, unrequited love, broken heart, schoolgirl, tragic love, cycling, incest, voice over narration, brother sister incest, incestuous relationship, rock paper scissors, taboo subject, knee injury